| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
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| 04/18/2012 | CN101824506B Revolving furnace slag pressing agent and revolving furnace slag pressing method |
| 04/17/2012 | US8156709 Direct smelting plant |
| 04/17/2012 | CA2589131C Metallurgical vessel with fixing system |
| 04/13/2012 | DE202012101139U1 Drehtrommelofen Rotary furnace |
| 04/12/2012 | US20120086158 Sealing plug for an outlet opening of a container and container having a sealing plug |
| 04/12/2012 | US20120086157 Apparatus for Removing Material from Surfaces of a Metals Processing Chamber |
| 04/11/2012 | EP2439475A1 Loading device |
| 04/11/2012 | CN202188766U 一种电炉密封加料系统的密封装置及电炉密封加料系统 One kind of furnace sealing means sealing the loading system and the electric charging system sealing |
| 04/11/2012 | CN202187026U 一种转炉挡渣器 One kind of converter slag is |
| 04/11/2012 | CN202187025U 一种炼钢转炉汽化烟道检修孔装置 A manhole unit converter steelmaking flue vaporization |
| 04/11/2012 | CN202187024U 一种转炉余热锅炉汽水系统循环装置 One kind of converter waste heat boiler circulating water system equipment |
| 04/11/2012 | CN202187023U 一种炼钢放散转炉煤气回收利用装置 One kind of recycling steelmaking converter gas emission device |
| 04/11/2012 | CN202186992U 一种高温煤气除尘装置 A high-temperature gas dust removal device |
| 04/11/2012 | CN102414330A 电弧炉中非不锈钢熔体的熔渣起泡方法 The method of electric arc furnace steel slag foaming melt Africa |
| 04/11/2012 | CN102409253A 一种高耐蚀高强度铁道车辆用耐候钢及其制造方法 A highly corrosion resistant high strength weathering steel railway vehicle and its manufacturing method |
| 04/11/2012 | CN102409238A 42CrMo alloy constructional steel super-thick plate and production method thereof |
| 04/11/2012 | CN102409138A 一种轨道辙叉用合金钢的制作工艺 A track frog with alloy production process |
| 04/11/2012 | CN102409137A Method for controlling content of nitrogen in oriented silicon steel |
| 04/11/2012 | CN102409136A Preparation of high temperature anti-oxidation of stainless steel containing yttrium |
| 04/11/2012 | CN102409135A Installation method for converter tilting device |
| 04/11/2012 | CN102409134A Method for producing 23MnB steel based on converter flow path |
| 04/11/2012 | CN102409133A 真空法生产23MnB钢的方法 Production 23MnB steel vacuum method |
| 04/11/2012 | CN102409132A 一种转炉流程生产25CrMnB钢的方法 One kind of BOF process 25CrMnB steel production method |
| 04/11/2012 | CN102409131A 一种转炉挡渣标定位投放的方法 One kind of converter slag standard method of locating delivery |
| 04/11/2012 | CN102409130A 一种转炉熔剂自动加入装置及方法 One kind of a converter device and a method for automatically join flux |
| 04/11/2012 | CN102409129A 按铁水硅含量配加炼钢石灰的方法 By silicon content with addition of lime steelmaking methods |
| 04/10/2012 | US8153050 Device for implementing a high efficiency method of scooping-up slag from liquid iron |
| 04/10/2012 | US8152894 Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals |
| 04/10/2012 | CA2721329C Method for reforming exhaust gas generated from metallurgical furnace, method for cooling exhaust gas and apparatus therefor |
| 04/05/2012 | WO2012041947A1 Lift and pivot device for a cover of a furnace and furnace system and method for charging and servicing such a furnace system |
| 04/05/2012 | WO2012041620A1 Device and method for protecting an optical observation opening |
| 04/05/2012 | DE102010047516A1 Chargiervorrichtung Charging device |
| 04/05/2012 | DE102010041694A1 Lifting- and pivoting device for cover, comprises guide housing having base plate, liftable and lowerable lifting pin, lifting cylinder for liftable and lowerable lifting pin, and guide frame for supporting cover having support arm |
| 04/05/2012 | DE102010041692A1 Hub- und Schwenkvorrichtung für einen Deckel eines Ofens sowie Ofenanlage und Verfahren zum Chargieren und zur Wartung einer solchen Ofenanlage Lifting and tilting device for a cover of a furnace and furnace installation and method for charging and maintenance of such a furnace |
| 04/04/2012 | EP2437021A1 Device and method for protecting an optical observation opening |
| 04/04/2012 | EP2435588A2 Use of an altitude-compensating nozzle |
| 04/04/2012 | CN102400052A Narrow-hardenability pinion steel and preparation method thereof |
| 04/04/2012 | CN102399936A 转炉氧枪输氧金属软管 Oxygen converter oxygen gun metal hose |
| 04/04/2012 | CN102399935A 一种提高og法回收转炉煤气效果的装置及方法 Method for improving og law converter gas recovery apparatus and method effects |
| 04/04/2012 | CN102399934A 一种预熔型转炉炉后造渣剂及其制造方法 After a pre-Acting BOF slag formers and its manufacturing method |
| 04/04/2012 | CN102399933A 一种转炉吹炼低碳钢氧枪自动控制方法 One kind of low-carbon steel converter blowing oxygen lance automatic control methods |
| 04/04/2012 | CN102399932A Method for reducing converter hot metal single consumption |
| 04/04/2012 | CN102399931A 一种顶底复吹转炉底吹元件热更换方法 One kind of top and bottom blowing converter bottom blowing hot replacement element method |
| 04/04/2012 | CN102399930A 一种减少低硅铝镇静钢增硅的方法 A method of reducing low-silicon aluminum killed steel by silicon |
| 04/04/2012 | CN102399929A 一种减少铝脱氧高碳钢铸坯表面裂纹的方法 A method of reducing high-carbon steel billet aluminum deoxidation method of surface cracks |
| 04/04/2012 | CN102399928A Smelting method capable of changing forms of nonmetal impurities in structural steel |
| 04/04/2012 | CN102399917A 一种连铸钢包注余热态钢渣回收再利用的方法 One kind of state even casting ladle slag NOTE heat recycling method |
| 04/04/2012 | CN102021265B 转炉烟气系统活动烟罩 Converter gas system activity HOOD |
| 04/04/2012 | CN101899604B 一种复吹转炉用氧化锰复合团块直接合金化炼钢工艺 One kind LBE manganese composite oxide briquettes direct alloying steelmaking process |
| 04/04/2012 | CN101549353B 一种连铸连轧生产低合金大规格方钢的方法 A rolling production of large-sized square steel low alloy casting method |
| 04/03/2012 | US8147747 Swirling column nozzle, swirling column smelting equipment using the same, and swirling column smelting method |
| 03/29/2012 | WO2012038906A2 Heat exchanger for the rapid cooling of flue gas of ironwork plants, apparatus for the treatment of flue gas in ironwork plants comprising such a heat exchanger and relative treatment method |
| 03/29/2012 | WO2012038320A1 Preheating apparatus for steel scrap and metallurgical melting vessel equipped therewith |
| 03/29/2012 | WO2012038151A1 Operating method for utilizing the thermal waste heat for a plant in the basic materials industry |
| 03/28/2012 | EP2434242A1 Kiln, method for producing refractory, and refractory block |
| 03/28/2012 | CN202175692U 煤气冷却器 Gas cooler |
| 03/28/2012 | CN202173873U 用于对在钢铁生产或者煤炭气化时产生的气体进行干燥除尘和净化的系统 Used in steel production or coal gasification gas generated when drying dust and purification systems |
| 03/28/2012 | CN102392101A Automatic correcting error control on converter tilting angle |
| 03/28/2012 | CN102392100A Converter alloy charging mechanism |
| 03/28/2012 | CN102392099A Hanger plate connecting, adjusting and centering device for backing ring and furnace shell of large converter |
| 03/28/2012 | CN102392098A Roughing slag detection system for steel furnace |
| 03/28/2012 | CN102392097A Treatment method for slag adjustment before slag splashing protection of converters |
| 03/28/2012 | CN102392096A Self-adapting oxygen flow rate controlling system used in automatic steelmaking converter |
| 03/28/2012 | CN102392095A Termination point prediction method and system for converter steelmaking |
| 03/28/2012 | CN101914651B Converter or electric furnace steel-making slagging agent and preparation process thereof |
| 03/28/2012 | CN101023188B Apparatus for injecting solid particulate material into a vessel |
| 03/27/2012 | US8142710 Reduction apparatus, reduction apparatus manufacture method, and vacuum smelting reduction furnace using the same |
| 03/27/2012 | US8142543 Refining ferroalloys |
| 03/27/2012 | US8142542 Producing metal and carbon dioxide with hydrogen recycle |
| 03/27/2012 | US8142541 Method of preheating steelmaking ladles |
| 03/27/2012 | US8142539 Method and arrangement for feeding an anode into a smelting reactor |
| 03/27/2012 | CA2671148C Method and device for producing stainless steel without using a supply of electrical energy, based on pig-iron that has been pre-treated in a ddd installation |
| 03/22/2012 | WO2012036488A2 Method for producing ferrous powder |
| 03/22/2012 | WO2012034766A1 Melt metallurgical installation comprising a charging element |
| 03/22/2012 | WO2012034586A1 Apparatus and method for electromagnetic stirring in an electrical arc furnace |
| 03/22/2012 | DE102010045951A1 Steel production- and processing device comprises electric arc furnace with furnace vessel, lid, and loading opening in side wall of furnace vessel, feedstock charging device for charging through opening, and processing device |
| 03/22/2012 | DE102010045948A1 Fusion aggregate for steel plant, has device charger arranged on lateral charging opening for charging of insert material into furnace vessel equipped with electrode assemblies |
| 03/22/2012 | DE102010040879A1 Schmelzmetallurgische Anlage Melting metallurgical plant |
| 03/21/2012 | CN102383066A Abrasion resistant cast steel and preparation method thereof |
| 03/21/2012 | CN102383025A Preparation method of super-critical high alloy steel suitable for thermal power unit |
| 03/21/2012 | CN102382938A Ferrous waste smelting process by utilizing natural gas for preheating |
| 03/21/2012 | CN102382937A Electric arc furnace smelting process control method based on furnace gas analysis |
| 03/21/2012 | CN102382936A Water-cooled furnace door of converter |
| 03/21/2012 | CN102382935A One-time flue gas dry-process dust removing process of vanadium-extraction converter |
| 03/21/2012 | CN102382934A Converter primary flue gas dry dedusting system |
| 03/21/2012 | CN102382933A One-time flue gas dry-process dust removing process of converter |
| 03/21/2012 | CN102382932A Gas cooling technology used for dry dedusting for converter gas |
| 03/21/2012 | CN102382931A Gas cooler for dry dedusting of converter gas |
| 03/21/2012 | CN102382930A Converter steelmaking technology |
| 03/21/2012 | CN102382929A 37Mn5 steel and production technology thereof |
| 03/21/2012 | CN102382928A Method for improving fluidity of molten slag at primary stage of converter smelting |
| 03/21/2012 | CN102382927A Molten iron smelting method and vanadium-containing molten iron smelting method |
| 03/21/2012 | CN102382926A Converter steelmaking fluoride-free composite fluxing medium |
| 03/21/2012 | CN101948980B Method for producing industrial pure iron |
| 03/21/2012 | CN101921890B Method for recycling manganese element of pour exceed steel ingot |
| 03/21/2012 | CN101389772B Method of producing steel for high carbon steel wire material excellent in wire-drawability and fatigue characteristic |
| 03/20/2012 | US8137593 Composition of matter tailoring: system I |
| 03/20/2012 | US8137432 Method and furnace for melting steel scrap |
| 03/20/2012 | CA2673263C Method and device for operating a change converter unit of an oxygen steel-making plant |
| 03/20/2012 | CA2637850C Method for the production of a foamed slag in a metal bath |